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Which function has a vertex on the y-axis? O f(x) = (x - 2)^2 O f(x) = x(x + 2) O f(X) = (x-2) (x+2) O f(X) = (x + 1) (x - 2)
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Dec 13, 2021
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Which function has a vertex on the y-axis?
O f(x) = (x - 2)^2
O f(x) = x(x + 2)
O f(X) = (x-2) (x+2)
O f(X) = (x + 1) (x - 2)
Mathematics
high-school
Karyne
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Karyne
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Answer:
(x-2)(x+2)
Explanation:
first: the function that represent on graph as a curve with vertex it must be a quadratic function of second degree, so we have here 3 equation of second degree which are after simplifying will be :
Second if the vertex of curve is on Y axis therefor X must equal 0
to find the vertex of curve we use this rule x -coordinate =-b/2a
in this equation
-0/1 =0 so here x coordinate =0 so its vertex is on y axis
Shanil Arjuna
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Dec 17, 2021
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Shanil Arjuna
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